Footstool



FIG. 1 is a front perspective view of a footstool;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a left side elevation view thereof; the right side elevation view being a mirror image thereof. 

CLAIM The ornamental design for a footstool, as shown and described. 